first measurement goes downhill

**udaman** · **05-02-08, 01:53 AM**

I setup and the soundcard and spl calibration. It looks it was setup correctly. When I run the measurement, the graph starts at 90db and goes downhill from there. This is the for the front right speaker (Strata Mini).

Here are few pics of soundcard/spl calibration and first measurement.

**JohnM** · **05-02-08, 04:17 AM**

Looks like you are not getting any signal from your SPL meter, the soundcard cal looks OK but the SPL calibration does not.

**udaman** · **05-02-08, 08:06 AM**

thanks, John. Let me take a look again.

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